cfg80211: introduce cfg80211_get_chan_state
Helper function for finding out which channel is
used by a given interface.
An exclusive channel can be used only by a single
interface. This is mainly for non-fixed channel
IBSS handling.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/core.h b/net/wireless/core.h
index fef476d2..56f18c2 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -241,6 +241,12 @@
int def, defmgmt;
};
+enum cfg80211_chan_mode {
+ CHAN_MODE_UNDEFINED,
+ CHAN_MODE_SHARED,
+ CHAN_MODE_EXCLUSIVE,
+};
+
/* free object */
extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
@@ -419,6 +425,12 @@
return cfg80211_can_change_interface(rdev, NULL, iftype);
}
+void
+cfg80211_get_chan_state(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct ieee80211_channel **chan,
+ enum cfg80211_chan_mode *chanmode);
+
struct ieee80211_channel *
rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
int freq, enum nl80211_channel_type channel_type);